OFFSET
0,5
MATHEMATICA
With[{nn=30}, CoefficientList[Series[Exp[Tan[x]]/Cosh[x], {x, 0, nn}], x] Range[0, nn]!] (* Harvey P. Dale, May 01 2016 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
EXTENSIONS
Extended and signs tested Mar 15 1997 by Olivier Gérard.
Previous Mathematica program replaced by Harvey P. Dale, May 01 2016
STATUS
approved